pp. 11 - 19

How many zeroes come after 10 if it is multiplied to the 4th power?

• 4

• 40

• 400

• 4000

Kilo means?

• 10

• 100

• 1000

Force of electricity that attracts and repels charged particles makes atoms disintegrate.

• true

• false

What two things does the strong nuclear force do? (Pick two)

• keeps protons in the nucleus

• keeps neutrons in the nucleus

• keeps electrons rotating

• repulses the protons

FG = G

m1

m2/

r2

What do the two m's represent?

• masses of two objects

• motion

• mobility

The strength of the gravitational force between two objects depends on

• Mass and Matter

• Mass and Weight

• Mass and Distance

• Mass and Strength

Tags

NGSS.MS-PS2-4

An object with more mass will exert greater gravitational force than an object with lesser mass.

• True

• False

Tags

NGSS.MS-PS2-4

As the distance between two objects increases, the force of gravity between them decreases.

• True

• False

Tags

NGSS.MS-PS2-4

The variables that affect the gravitational interaction between two objects are:

• masses and directions of motions of the objects.

• masses and speeds of the objects.

• masses and distances between the objects.

• distance between and speeds of the objects.

Tags

NGSS.MS-PS2-4

Mass and weight are the same thing.

• True

• False